  
         package zsd.review.common; 

public abstract class Option implements zsd.review.common.Optional{

	private static String chLineMark = null;

	public static String LineMark() {
		if (chLineMark != null)
			return chLineMark;
		chLineMark = "\r\n";
		if (System.getProperty("os.name").equals("Linux")) {
			chLineMark = "\n";
		}
		return chLineMark;
	}
}
  
    